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Fusion Fuel Green PLC

HTOO
Exchange
Nasdaq
Industry
Misc Industrial & Commercial Machinery & Equipment
SEC CIK
0001819794

No open-market purchases or sales by Fusion Fuel Green PLC insiders were filed in the last 90 days; 10 institutions reported holding it in 13F filings for Q2 2026, worth $57.6K in total; no superinvestor holds it.

13F holders, Q4 2021

Institutional positions in Fusion Fuel Green PLC as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
26
−1 vs. Q3 2021
Shares held
4.18M
+546.8K (+15.0%) vs. Q3 2021
Total value
$34.6M
−$4.87M (−12.3%) vs. Q3 2021
New holders
4
7 more added
Sold out
5
10 more reduced

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting HTOO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 26 institutions
Q1 2021: 25 institutionsQ2 2021: 21 institutionsQ3 2021: 27 institutionsQ4 2021: 26 institutionsQ1 2022: 24 institutionsQ2 2022: 25 institutionsQ3 2022: 23 institutionsQ4 2022: 26 institutionsQ1 2023: 21 institutionsQ2 2023: 21 institutionsQ3 2023: 18 institutionsQ4 2023: 19 institutionsQ1 2024: 21 institutionsQ2 2024: 22 institutionsQ3 2024: 20 institutionsQ4 2024: 20 institutionsQ1 2025: 16 institutionsQ2 2025: 14 institutionsQ3 2025: 13 institutionsQ4 2025: 10 institutionsQ1 2026: 8 institutionsQ2 2026: 10 institutions
Value heldQ4 2021: $34.6M
Q1 2021: $34.1MQ2 2021: $43.8MQ3 2021: $39.5MQ4 2021: $34.6MQ1 2022: $30.5MQ2 2022: $22.8MQ3 2022: $17.7MQ4 2022: $16.0MQ1 2023: $8.38MQ2 2023: $8.23MQ3 2023: $2.88MQ4 2023: $2.95MQ1 2024: $3.46MQ2 2024: $1.90MQ3 2024: $1.44MQ4 2024: $300.2KQ1 2025: $197.4KQ2 2025: $72.3KQ3 2025: $4.07KQ4 2025: $13.5KQ1 2026: $13.6KQ2 2026: $57.6K
Institutions holding HTOO and their total value by quarter
QuarterHoldersValue
Q2 202610$57.6K
Q1 20268$13.6K
Q4 202510$13.5K
Q3 202513$4.07K
Q2 202514$72.3K
Q1 202516$197.4K
Q4 202420$300.2K
Q3 202420$1.44M
Q2 202422$1.90M
Q1 202421$3.46M
Q4 202319$2.95M
Q3 202318$2.88M
Q2 202321$8.23M
Q1 202321$8.38M
Q4 202226$16.0M
Q3 202223$17.7M
Q2 202225$22.8M
Q1 202224$30.5M
Q4 202126$34.6M
Q3 202127$39.5M
Q2 202121$43.8M
Q1 202125$34.1M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Fusion Fuel Green PLC; share changes are against Q3 2021.

Institutions holding HTOO in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Mak Capital One LLC1,831,541$15.2M3.00%+459,147+33.5%Added
Teilinger Capital Ltd.545,000$4.51M1.53%00.0%Unchanged
Susquehanna International Group, LLP436,800$3.62M0.00%+210,560+93.1%Added
Storebrand Asset Management AS311,395$2.58M0.01%00.0%Unchanged
Lombard Odier Asset Management (USA) Corp240,098$1.99M0.30%+15,000+6.7%Added
Jefferies Group LLC204,312$1.69M0.03%+3,053+1.5%Added
Arosa Capital Management LP175,000$1.45M0.52%00.0%Unchanged
UBS Group AG90,055$746.0K0.00%+47,359+110.9%Added
Penserra Capital Management LLC77,465$641.0K0.01%−4,060−5.0%Reduced
Morgan Stanley59,997$498.0K0.00%−119,806−66.6%Reduced
Premier Fund Managers Ltd55,000$453.0K0.01%+5,000+10.0%Added
Prelude Capital Management, LLC37,237$308.0K0.02%−3,750−9.1%Reduced
Citigroup Inc26,078$216.0K0.00%−14,822−36.2%Reduced
Wolverine Asset Management LLC25,038$207.0K0.00%−7,855−23.9%Reduced
Raymond James & Associates23,800$197.0K0.00%−30,700−56.3%Reduced
Citadel Advisors LLC20,830$172.0K0.00%+20,830New
Simplex Trading, LLC14,783$122.0K0.00%+14,783New
Millburn Ridgefield Corp1,769$15.0K0.00%−20−1.1%Reduced
Catalyst Capital Advisors LLC1,769$15.0K0.00%−20−1.1%Reduced
ETF Managers Group, LLC1,631$13.0K0.00%−780−32.4%Reduced
Orion Capital Management LLC1,000$8.00K0.00%00.0%Unchanged
Brewin Dolphin Ltd1,000$8.00K0.00%00.0%Unchanged
James Reed Financial Services, Inc.947$7.00K0.01%+947New
Carmichael Hill & Associates, Inc.200$2.00K0.00%+100+100.0%Added
Blue Bell Private Wealth Management, LLC200$2.00K0.00%+200New
Bank of America Corp1$00.00%−13,841−100.0%Reduced
Wolverine Trading, LLC0$00.00%−19,985−100.0%Sold out
Belvedere Trading LLC0$00.00%−13,126−100.0%Sold out
First Horizon Advisors, Inc.0$00.00%−590−100.0%Sold out
Firestone Capital Management0$00.00%−400−100.0%Sold out
Federation des caisses Desjardins du Quebec0$00.00%−400−100.0%Sold out